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Stern, Jessica A.; Fraley, R. Chris; Jones, Jason D.; Gross, Jacquelyn T.; Shaver, Phillip R.; Cassidy, Jude – Developmental Psychology, 2018
The first months after becoming a new parent are a unique and important period in human development. Despite substantial research on the many social and biological changes that occur during the first months of parenthood, little is known about changes in mothers' attachment. The present study examines developmental stability and change in…
Descriptors: Attachment Behavior, Mothers, Adult Development, Economically Disadvantaged
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Long, Jeffrey D.; Harring, Jeffrey R.; Brekke, John S.; Test, Mary Ann; Greenberg, Jan – Psychological Assessment, 2007
Longitudinal validity of Brief Symptom Inventory subscales was examined in a sample (N = 318) with schizophrenia-related illness measured at baseline and every 6 months for 3 years. Nonlinear factor analysis of items was used to test graded response models (GRMs) for subscales in isolation. The models varied in their within-time and between-times…
Descriptors: Test Validity, Schizophrenia, Factor Analysis, Depression (Psychology)